Scanning driving circuit and the liquid crystal display apparatus with the scanning driving circuit thereof
The invention provides a scanning driving circuit and a liquid crystal display apparatus. The scanning driving circuit including a latch module to receive and calculate an upper level control signal, a first and a second clock signal and a reset signal to get a first control signal, and latch and output the first control signal; a logic control module receive and calculate the first and the second control signal and the third clock signal to get a logic control signal, and output the logic control signal; an output module receive and calculate the logic control signal and the second control signal to get and output a scanning driving signal, and a scan line connected to the output module to transmit the scanning driving signal to a pixel unit and to achieve the special function of the liquid crystal display apparatus.
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The present invention relates to a display technology, and particularly to a scanning driving circuit and the liquid crystal display apparatus with the scanning driving circuit thereof.
BACKGROUND OF THE INVENTIONA scanning driving circuit is used in the current liquid crystal display apparatus, so as to form the scanning driving circuit on the transistor array substrate by the thin-film transistor liquid crystal display array process. It can achieve the driving method by scanning each row. The function of the current design of the scanning driving circuit is unique, and cannot achieve the function of open all of the circuit of the scan line and is unfavorable to achieve the special function of the liquid crystal display apparatus.
SUMMARYThe invention for solving the technology problem is to provide a scanning driving circuit and a liquid crystal display apparatus to achieve the function of open all of the scan line and to achieve the special function of the liquid crystal display apparatus.
In order to solve the technology problem mentioned above, the technical approach of this application is providing a scanning driving circuit including:
A latch module to receive an upper level control signal, a first and a second clock signal and a reset signal and perform a calculation to the upper level control signal, the first and the second clock signal and the reset signal to get a first control signal, and latch and output the first control signal;
A logic control module connected to the latch module to receive the first control signal output from the latch module and perform a logic calculation to the first control signal, the second control signal and the third clock signal to get a logic control signal, and output the logic control signal;
An output module connected to the logic control module to receive the logic control signal output from the logic control module and perform a calculation to the logic control signal and the second control signal to get a scanning driving signal, and output the scanning driving signal; and
A scan line connected to the output module to transmit the scanning driving signal output from the output module to the pixel unit.
Wherein the latch module comprising: a first to fourth invertor and a controllable switch, the input terminal of the first invertor is connected to the first clock signal, the output terminal of the first invertor is connected to the low electrical level terminal of the second invertor, the second clock signal and the high electrical level terminal of the third invertor, the input terminal of the second invertor is connected to the upper level control signal, the high electrical level terminal of the second invertor is connected to the input terminal of the first invertor and the low electrical level terminal of the third invertor, the input terminal of the third inventor is connected to the said level control signal, the control terminal of the controllable switch is connected to the reset signal, the input terminal of the controllable switch is connected to the open voltage terminal, the output terminal of the controllable switch is connected to the output terminal of the second invertor and the input terminal of the fourth invertor, the output terminal of the fourth invertor is connected to the input terminal of the third invertor and the logic control module.
Wherein the logic control module comprising: a second to seventh controllable switch, the control terminal of the second controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the input terminal of the second controllable switch is connected to the open voltage terminal, the output terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fifth controllable switch, the output terminal of the third controllable switch is connected to the output module, the output terminal of the fourth controllable switch, the output terminal of the fifth controllable switch and the output terminal of the seventh controllable switch, the control terminal of the fourth controllable switch is connected to the third clock signal, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the sixth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the close voltage terminal and the input terminal of the seventh controllable switch.
Wherein the logic control module comprising: a second to seventh controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fifth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal, the control terminal of the fourth controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the output terminal of the fourth controllable switch is connected to the output module and the output terminal of the fifth controllable switch and the seventh controllable switch, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the sixth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the input terminal of the seventh controllable switch and the close voltage terminal.
Wherein the logic control module comprising: a second to seventh controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the sixth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal, the control terminal of the fourth controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the output terminal of the fourth controllable switch is connected to the output module, and the output terminal of the fifth controllable switch and the seventh controllable switch, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the fifth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the input terminal of the seventh controllable switch and the close voltage terminal.
Wherein the logic control module comprising: a second to seventh controllable switch, the control terminal of the second controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the input terminal of the second controllable switch is connected to the open voltage terminal, the output terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the sixth controllable switch, the output terminal of the third controllable switch is connected to the output module, the output terminal of the fourth controllable switch, the output terminal of the fifth controllable switch and the seventh controllable switch, the control terminal of the fourth controllable switch is connected to the third clock signal, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the fifth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the close voltage terminal and the input terminal of the seventh controllable switch.
Wherein the output module comprising: a fifth to seventh invertor, the input terminal of the fifth invertor is connected to the output terminal of the fifth controllable switch and the seventh controllable switch, the output terminal of the fifth invertor is connected to the input terminal of the sixth invertor, the output terminal of the sixth invertor is connected to the input terminal of the seventh invertor, and the output terminal of the seventh invertor is connected to the scan line.
Wherein the logic control module comprising: a second to fifth controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fourth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output module, the output terminal of the third controllable switch and the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal and the control terminal of the fifth controllable switch, the input terminal of the fourth controllable switch is connected to output terminal of the fifth controllable switch, the input terminal of the fifth controllable switch is connected to the close voltage terminal.
Wherein the output module comprising: a fifth and a sixth invertor and a NOR gate, the input terminal of the fifth invertor is connected to the output terminal of the fourth controllable switch, the output terminal of the fifth invertor is connected to the first input terminal of the NOR gate, the second input terminal of the NOR gate is connected to the second control signal, the output terminal of the NOR gate is connected to the input terminal of the sixth invertor and the input terminal of the sixth invertor is connected to the scan line.
In order to solve the technology problem mentioned above, the technical approach of this application is providing liquid crystal display apparatus having a scanning driving circuit described above.
The advantage of this application is to make distinguish of the conventional technology. The scanning driving circuit performs logic calculation of the first control signal and the third clock signal output from the latch module in the logic control module. In the working period of the second control signal, no matter how the electrical level of the first control signal and the third clock signal is changed, a high electrical level scanning driving signal is output from the output module to achieve the function of opening all the scan line and achieve the special function of the liquid crystal display apparatus.
In order to make the structure and characteristics as well as the effectiveness of the present invention to be further understood and recognized, the detailed description of the present invention is provided as follows along with embodiments and accompanying figures.
Referring to
Referring to
The latch module 100 includes a first to fourth invertor U1-U4 and a controllable switch T1, the input terminal of the first invertor U1 is connected to the first clock signal, the output terminal of the first invertor U1 is connected to the low electrical level terminal of the second invertor U2, the second clock signal and the high electrical level terminal of the third invertor U3. The input terminal of the second invertor U2 is connected to the upper level control signal, the high electrical level terminal of the second invertor U2 is connected to the input terminal of the first invertor U1 and the low electrical level terminal of the third invertor U3. The output terminal of the second inventor U2 is connected to the output terminal of the third inventor U3. The input terminal of the third inventor U3 is connected to the said level control signal. The control terminal of the controllable switch T1 is connected to the reset signal, the input terminal of the controllable switch T1 is connected to the open voltage terminal VGH, the output terminal of the controllable switch T1 is connected to the output terminal of the second invertor U2 and the input terminal of the fourth invertor U4. The output terminal of the fourth invertor U4 is connected to the input terminal of the third invertor U3 and the logic control module 200. In this embodiment, the first controllable switch T1 is a PMOS thin-film transistor.
The logic control module 200 includes a second to seventh controllable switch T2-T7. The control terminal of the second controllable switch T2 is connected to the second control signal and the control terminal of the seventh controllable switch T7. The input terminal of the second controllable switch T2 is connected to the open voltage terminal VGH, the output terminal of the second controllable switch T2 is connected to the input terminal of the third controllable switch T3 and the fourth controllable switch T4. The control terminal of the third controllable switch T3 is connected to the output terminal of the fourth invertor U4 and the control terminal of the fifth controllable switch T5, the output terminal of the third controllable switch T3 is connected to the output module 300, the output terminal of the fourth controllable switch T4, and the output terminal of the fifth controllable switch T5 and the seventh controllable switch T7. The control terminal of the fourth controllable switch T4 is connected to the third clock signal. The input terminal of the fifth controllable switch T5 is connected to the output terminal of the sixth controllable switch T6. The control terminal of the sixth controllable switch T6 is connected to the third clock signal. The input terminal of the sixth controllable switch T6 is connected to the close voltage terminal VGL and the input terminal of the seventh controllable switch T7.
The output module 300 includes a fifth to seventh invertor U5-U7. The input terminal of the fifth invertor U5 is connected to the output terminal of the fifth controllable switch T5 and the seventh controllable switch T7. The output terminal of the fifth invertor U5 is connected to the input terminal of the sixth invertor U6. The output terminal of the sixth invertor U6 is connected to the input terminal of the seventh invertor U7 and the output terminal of the seventh invertor U7 is connected to the scan line.
Referring to
In the first to the fourth embodiments, the second to the fourth controllable switch T2-T4 are PMOS thin-film transistors, and the fifth to the seventh controllable switch T5-T7 are NMOS thin-film transistors.
The working theories of the scanning driving circuit in first to the fourth embodiments are as followed.
No matter how the electric potential of the first clock signal, the second clock signal or the reset signal is received by the latch module 100,no matter how the electric potential of the first control signal output from the latch module 100, and no matter how the electric potential of the third clock signal received by the logic control module 200. When the second control signal is a high electrical level signal, the seventh controllable switch T7 is open. Because the input terminal of the seventh controllable switch T7 is connected to the close voltage terminal VGL that is in a low electric potential the output terminal of the seventh controllable switch T7 is output a low electrical level signal to the output module 300. The output module 300 will receive a low electrical level signal and a high electrical level of the scanning driving signal calculated by the fifth to the seventh investors is output to the scan line, and the function to open all the scan line are achieved.
Referring to
The working theory of the scanning driving circuit of the fifth embodiment is as followed. No matter how the electric potential of the first clock signal, the second clock signal or the reset signal is received by the latch module 100, no matter how the electric potential of the first control signal output from the latch module 100, and no matter how the electric potential of the third clock signal received by the logic control module 200. When a high electrical level signal is output from the logic control module 200, the high electrical level signal is passing through the fifth invertor U5 of the output module 300 and a low electrical level signal is output to the first input terminal of the NOR gate Y1. The second control signal outputs a high electrical level signal to the second input terminal of the NOR gate Y1, a low electrical level signal is output to the input terminal of the sixth invertor U6 by the NOR gate Y1 after the NOR operation. A high electrical level scanning driving signal is output from the sixth invertor U6 to the scan line to achieve the function of opening all the scan line. If a low electrical level signal is output from the logic control module 200, the low electrical level signal is passing through the fifth invertor U5 of the output module 300 and a high electrical level signal is output to the first input terminal of the NOR gate Y1. The second control signal Gas outputs a high electrical level signal to the second input terminal of the NOR gate Y1, a low electrical level signal is output to the input terminal of the sixth invertor U6 by the NOR gate Y1 after the NOR operation. A high electrical level scanning driving signal is output from the sixth invertor U6 to the scan line to achieve the function of opening all the scan line.
Referring to
Only one scanning driving circuit is illustrated as an example in the first to the fifth embodiments, wherein the upper level control signal is an upper level control signal Q (N-1), and the first control signal is a first control signal Q (N). The first clock signal is a first clock signal CK1, the second clock signal is a second clock signal XCK1, the reset signal is a reset signal Reset, the third clock signal is a third clock signal CK2, the second control signal is a second control signal Gas, and the scan line is a scan line Gate.
Referring to
The first control signal and the third clock signal output from the latch module are performed logic calculation in the logic control module in the scanning driving circuit 1. In the working period of the second control signal, no matter how the electrical level of the first control signal and the third clock signal is changed, a high electrical level scanning driving signal is output from the output module to achieve the function of opening all the scan line and achieve the special function of the liquid crystal display apparatus.
Accordingly, the present invention conforms to the legal requirements owing to its novelty, non-obviousness, and utility. However, the foregoing description is only embodiments of the present invention, not used to limit the scope and range of the present invention. Those equivalent changes or modifications made according to the shape, structure, feature, or spirits described in the claims of the present invention are included in the appended claims of the present invention.
Claims
1. A scanning driving circuit, wherein scanning driving circuit comprising:
- a latch module to receive an upper level control signal, a first and a second clock signal and a reset signal and perform a calculation to the upper level control signal, the first and the second clock signal and the reset signal to get a first control signal, and latch and output the first control signal;
- a logic control module connected to the latch module to receive the first control signal output from the latch module and perform a logic calculation to the first control signal, the second control signal and the third clock signal to get a logic control signal, and output the logic control signal, wherein the logic control module comprising: a second to fifth controllable switch;
- an output module connected to the logic control module to receive the logic control signal output from the logic control module and perform a calculation to the logic control signal and the second control signal to get a scanning driving signal, and output the scanning driving signal; and
- a scan line connected to the output module to transmit the scanning driving signal output from the output module to the pixel unit.
2. The scanning driving circuit of claim 1, wherein the latch module comprising: a first to fourth invertor and a controllable switch, the input terminal of the first invertor is connected to the first clock signal, the output terminal of the first invertor is connected to the low electrical level terminal of the second invertor, the second clock signal and the high electrical level terminal of the third invertor, the input terminal of the second invertor is connected to the upper level control signal, the high electrical level terminal of the second invertor is connected to the input terminal of the first invertor and the low electrical level terminal of the third invertor, the input terminal of the third inventor is connected to the said level control signal, the control terminal of the controllable switch is connected to the reset signal, the input terminal of the controllable switch is connected to the open voltage terminal, the output terminal of the controllable switch is connected to the output terminal of the second invertor and the input terminal of the fourth invertor, the output terminal of the fourth invertor is connected to the input terminal of the third invertor and the logic control module.
3. The scanning driving circuit of claim 2, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the input terminal of the second controllable switch is connected to the open voltage terminal, the output terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fifth controllable switch, the output terminal of the third controllable switch is connected to the output module, the output terminal of the fourth controllable switch, the output terminal of the fifth controllable switch and the output terminal of the seventh controllable switch, the control terminal of the fourth controllable switch is connected to the third clock signal, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the sixth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the close voltage terminal and the input terminal of the seventh controllable switch.
4. The scanning driving circuit of claim 2, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fifth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal, the control terminal of the fourth controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the output terminal of the fourth controllable switch is connected to the output module and the output terminal of the fifth controllable switch and the seventh controllable switch, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the sixth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the input terminal of the seventh controllable switch and the close voltage terminal.
5. The scanning driving circuit of claim 4, wherein the output module comprising: a fifth to seventh invertor, the input terminal of the fifth invertor is connected to the output terminal of the fifth controllable switch and the seventh controllable switch, the output terminal of the fifth invertor is connected to the input terminal of the sixth invertor, the output terminal of the sixth invertor is connected to the input terminal of the seventh invertor, and the output terminal of the seventh invertor is connected to the scan line.
6. The scanning driving circuit of claim 2, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the sixth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal, the control terminal of the fourth controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the output terminal of the fourth controllable switch is connected to the output module, and the output terminal of the fifth controllable switch and the seventh controllable switch, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the fifth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the input terminal of the seventh controllable switch and the close voltage terminal.
7. The scanning driving circuit of claim 6, wherein the output module comprising: a fifth to seventh invertor, the input terminal of the fifth invertor is connected to the output terminal of the fifth controllable switch and the seventh controllable switch, the output terminal of the fifth invertor is connected to the input terminal of the sixth invertor, the output terminal of the sixth invertor is connected to the input terminal of the seventh invertor, and the output terminal of the seventh invertor is connected to the scan line.
8. The scanning driving circuit of claim 2, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the input terminal of the second controllable switch is connected to the open voltage terminal, the output terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the sixth controllable switch, the output terminal of the third controllable switch is connected to the output module, the output terminal of the fourth controllable switch, the output terminal of the fifth controllable switch and the seventh controllable switch, the control terminal of the fourth controllable switch is connected to the third clock signal, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the fifth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the close voltage terminal and the input terminal of the seventh controllable switch.
9. The scanning driving circuit of claim 8, wherein the output module comprising: a fifth to seventh invertor, the input terminal of the fifth invertor is connected to the output terminal of the fifth controllable switch and the seventh controllable switch, the output terminal of the fifth invertor is connected to the input terminal of the sixth invertor, the output terminal of the sixth invertor is connected to the input terminal of the seventh invertor, and the output terminal of the seventh invertor is connected to the scan line.
10. The scanning driving circuit of claim 2, wherein the logic control module comprising: the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fourth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output module, the output terminal of the third controllable switch and the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal and the control terminal of the fifth controllable switch, the input terminal of the fourth controllable switch is connected to output terminal of the fifth controllable switch, the input terminal of the fifth controllable switch is connected to the close voltage terminal.
11. The scanning driving circuit of claim 10, wherein the output module comprising: a fifth and a sixth invertor and a NOR gate, the input terminal of the fifth invertor is connected to the output terminal of the fourth controllable switch, the output terminal of the fifth invertor is connected to the first input terminal of the NOR gate, the second input terminal of the NOR gate is connected to the second control signal, the output terminal of the NOR gate is connected to the input terminal of the sixth invertor and the input terminal of the sixth invertor is connected to the scan line.
12. A liquid crystal display apparatus and the liquid crystal display apparatus having a scanning driving circuit, wherein scanning driving circuit comprising:
- a latch module to receive an upper level control signal, a first and a second clock signal and a reset signal and perform a calculation to the upper level control signal, the first and the second clock signal and the reset signal to get a first control signal, and latch and output the first control signal;
- a logic control module connected to the latch module to receive the first control signal output from the latch module and perform a logic calculation to the first control signal, the second control signal and the third clock signal to get a logic control signal, and output the logic control signal, wherein the logic control module comprising: a second to fifth controllable switch;
- an output module connected to the logic control module to receive the logic control signal output from the logic control module and perform a calculation to the logic control signal and the second control signal to get a scanning driving signal, and output the scanning driving signal; and
- a scan line connected to the output module to transmit the scanning driving signal output from the output module to the pixel unit.
13. The liquid crystal display apparatus of claim 12, wherein the latch module comprising: a first to fourth invertor and a controllable switch, the input terminal of the first invertor is connected to the first clock signal, the output terminal of the first invertor is connected to the low electrical level terminal of the second invertor, the second clock signal and the high electrical level terminal of the third invertor, the input terminal of the second invertor is connected to the upper level control signal, the high electrical level terminal of the second invertor is connected to the input terminal of the first invertor and the low electrical level terminal of the third invertor, the input terminal of the third inventor is connected to the said level control signal, the control terminal of the controllable switch is connected to the reset signal, the input terminal of the controllable switch is connected to the open voltage terminal, the output terminal of the controllable switch is connected to the output terminal of the second invertor and the input terminal of the fourth invertor, the output terminal of the fourth invertor is connected to the input terminal of the third invertor and the logic control module.
14. The liquid crystal display apparatus of claim 13, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the input terminal of the second controllable switch is connected to the open voltage terminal, the output terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fifth controllable switch, the output terminal of the third controllable switch is connected to the output module, the output terminal of the fourth controllable switch, the output terminal of the fifth controllable switch and the output terminal of the seventh controllable switch, the control terminal of the fourth controllable switch is connected to the third clock signal, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the sixth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the close voltage terminal and the input terminal of the seventh controllable switch.
15. The liquid crystal display apparatus of claim 13, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fifth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal, the control terminal of the fourth controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the output terminal of the fourth controllable switch is connected to the output module and the output terminal of the fifth controllable switch and the seventh controllable switch, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the sixth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the input terminal of the seventh controllable switch and the close voltage terminal.
16. The liquid crystal display apparatus of claim 13, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the sixth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal, the control terminal of the fourth controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the output terminal of the fourth controllable switch is connected to the output module, and the output terminal of the fifth controllable switch and the seventh controllable switch, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the fifth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the input terminal of the seventh controllable switch and the close voltage terminal.
17. The liquid crystal display apparatus of claim 13, wherein the logic control module comprising: a sixth to seventh controllable switch, the control terminal of the second controllable switch is connected to the second control signal and the control terminal of the seventh controllable switch, the input terminal of the second controllable switch is connected to the open voltage terminal, the output terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the input terminal of the fourth controllable switch, the control terminal of the third controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the sixth controllable switch, the output terminal of the third controllable switch is connected to the output module, the output terminal of the fourth controllable switch, the output terminal of the fifth controllable switch and the seventh controllable switch, the control terminal of the fourth controllable switch is connected to the third clock signal, the input terminal of the fifth controllable switch is connected to the output terminal of the sixth controllable switch, the control terminal of the fifth controllable switch is connected to the third clock signal, the input terminal of the sixth controllable switch is connected to the close voltage terminal and the input terminal of the seventh controllable switch.
18. The liquid crystal display apparatus of claim 17, wherein the output module comprising: a fifth to seventh invertor, the input terminal of the fifth invertor is connected to the output terminal of the fifth controllable switch and the seventh controllable switch, the output terminal of the fifth invertor is connected to the input terminal of the sixth invertor, the output terminal of the sixth invertor is connected to the input terminal of the seventh invertor, and the output terminal of the seventh invertor is connected to the scan line.
19. The liquid crystal display apparatus of claim 13, wherein the logic control module comprising: the control terminal of the second controllable switch is connected to the output terminal of the fourth invertor and the control terminal of the fourth controllable switch, the input terminal of the second controllable switch is connected to the input terminal of the third controllable switch and the open voltage terminal, the output terminal of the second controllable switch is connected to the output module, the output terminal of the third controllable switch and the fourth controllable switch, the control terminal of the third controllable switch is connected to the third clock signal and the control terminal of the fifth controllable switch, the input terminal of the fourth controllable switch is connected to output terminal of the fifth controllable switch, the input terminal of the fifth controllable switch is connected to the close voltage terminal.
20. The liquid crystal display apparatus of claim 19, wherein the output module comprising: a fifth and a sixth invertor and a NOR gate, the input terminal of the fifth invertor is connected to the output terminal of the fourth controllable switch, the output terminal of the fifth invertor is connected to the first input terminal of the NOR gate, the second input terminal of the NOR gate is connected to the second control signal, the output terminal of the NOR gate is connected to the input terminal of the sixth invertor and the input terminal of the sixth invertor is connected to the scan line.
7696972 | April 13, 2010 | Tseng et al. |
20100303195 | December 2, 2010 | Wang |
20110228893 | September 22, 2011 | Tobita |
20150228354 | August 13, 2015 | Qing et al. |
20160365050 | December 15, 2016 | Qing et al. |
20170039968 | February 9, 2017 | Chen |
104269145 | January 2015 | CN |
104681000 | March 2015 | CN |
Type: Grant
Filed: Sep 29, 2015
Date of Patent: Nov 14, 2017
Patent Publication Number: 20170169781
Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd (Shenzhen, Guangdong), Wuhan China Star Optoelectronics Technology Co., Ltd (Wuhan, Hubei)
Inventors: Caiqin Chen (Guangdong), Mang Zhao (Guangdong)
Primary Examiner: Olga Merkoulova
Application Number: 14/888,693
International Classification: G09G 3/36 (20060101);